Innovative method for quench localization in superconducting high-order magnets

Mariotto, S. and Sorbi, M. (2023) Innovative method for quench localization in superconducting high-order magnets. Il nuovo cimento C, 46 (5). pp. 1-4. ISSN 1826-9885

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The quench event is the transition into the normal resistive state of superconducting magnets. Since this critical event can damage the magnet and limit its performance, huge efforts in the scientific community are spent to localize its development and study the relevant causes. Conventional methods for quench detection, such as voltage taps, are embedded in the magnet, representing a poten- tial risk of short circuits during the coil operation. Less invasive methods, such as quench antennas, have many advantages but can be applied to few magnet designs. During my PhD research, I developed an innovative idea based on the analysis of the magnetic field perturbation induced by superconducting hysteresis magnetization. Using standard field measurement technologies, I demonstrated that the residual superconducting magnetization of the high-order corrector magnets for the CERN High-Luminosity LHC upgrade allows the quench position reconstruction with high efficiency and accuracy. With these techniques, we found different quench devel- opments not measured by standard methods. The excellent results encouraged the implementation of this analysis for future superconducting magnets.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 08 Mar 2024 13:59
Last Modified: 08 Mar 2024 13:59

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